优化新建行错误

@LOGIC/@UIACTION/系统预置/sys/新建行/LOGIC.vue.ftl

@@ -12,7 +12,7 @@
     public ${item.getFullCodeName()}(args: any[],contextJO?:any, params?: any, $event?: any, xData?: any,actionContext?:any,srfParentDeName?:string) {
         const _this: any = this;
         const data: any = {};
-        if (_this.newRow && _this.newRow instanceof Function) {
+        if (_this.hasOwnProperty('newRow') && _this.newRow instanceof Function) {
             _this.newRow([{ ...data }], params, $event, xData);
         } else if(xData.newRow && xData.newRow instanceof Function) {
             xData.newRow([{ ...data }], params, $event, xData);